Containers and Storage

This section aims to give you a basic idea of containers and storage. Every build tool that can create images provides the option to add data to your container. 

You should use this feature only to provide configuration files. Data for applications should be hosted, as much as possible, outside the container. If you want to quickly update/remove/replace/scale your container, it's almost impossible if the data is within the container.

When we create a container, storage is attached to the container. However, the containers are ephemeral, which means that the storage is also destroyed when you destroy the container. Let's assume you created a Ubuntu container for testing and you saved some scripts that were tested on the container in the hope that you can use them later. Now, if you accidentally deleted this container, all the scripts that you tested and saved for later would be gone.

Your application data is important and...